Title:
改善されたシリンダヘッド組立体
Document Type and Number:
Japanese Patent JP2008531916
Kind Code:
A
Abstract:
Cylinder head assemblies including a cylinder head and a piston are disclosed. The cylinder head includes: a recessed valve region including a first and second bulbous portion connected by a waist, the first bulbous portion accommodating an intake valve and the second bulbous portion accommodating an exhaust valve; an intake port passageway having a gradually contoured flowpath between an intake port and the intake valve in the valve region; and an exhaust port passageway having a gradually contoured flowpath between an exhaust port and the exhaust valve in the valve region. The piston includes a recessed region that substantially conforms to the recessed valve region of the cylinder head. Related overhaul kits and methods of making improved cylinder head assemblies are further disclosed.
Inventors:
Matus, Scott
Mooney, Tim
Sitar, mic
Mooney, Tim
Sitar, mic
Application Number:
JP2007557146A
Publication Date:
August 14, 2008
Filing Date:
February 23, 2006
Export Citation:
Assignee:
Lycoming Engines A Division Of Abuco Corporation
International Classes:
F02F1/24; F02F1/42; F02F3/28
Domestic Patent References:
| JPS55119914A | 1980-09-16 |
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Yamazaki Kosaku
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Yamazaki Kosaku